scripts/spelling.txt: add "an union" pattern and fix typo instances

Fix typos and add the following to the scripts/spelling.txt:

  an union||a union

Link: http://lkml.kernel.org/r/1481573103-11329-5-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 3 insertions, 3 deletions

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 0d9d6e0803b8..57cd268d4275 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -464,7 +464,7 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
                 /* Verify it is a data structure  */
                 tag = dwarf_tag(&type);
                 if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) {
-                        pr_warning("%s is not a data structure nor an union.\n",
+                        pr_warning("%s is not a data structure nor a union.\n",
                                    varname);
                         return -EINVAL;
                 }
@@ -479,7 +479,7 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname,
         } else {
                 /* Verify it is a data structure  */
                 if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) {
-                        pr_warning("%s is not a data structure nor an union.\n",
+                        pr_warning("%s is not a data structure nor a union.\n",
                                    varname);
                         return -EINVAL;
                 }
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 7aff317fc7c4..796c847e2f00 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -108,7 +108,7 @@ struct hist_entry {
                 /*
                  * Since perf diff only supports the stdio output, TUI
                  * fields are only accessed from perf report (or perf
-                 * top).  So make it an union to reduce memory usage.
+                 * top).  So make it a union to reduce memory usage.
                  */
                 struct hist_entry_diff  diff;
                 struct /* for TUI */ {